(center 
   (color :bg "#aaaaaa"
      :margin 10
      :width 30.
      (center
	 (color :bg "#eeeeee" :fg "blue" :width 100. :margin 10 [This is an
example of color box that uses a color for the 
background ,(emph "and") the ,(color :fg "red" "foreground"). It also specifies
a width, that is, an horizontal space, the text should 
span to.]))))